Pole-straightener.



No. 634,905. Patented Oct. l7, I899.

T. H. MGCAULEY.

POLE STRAIGHTENER.

(Applicatiop filed Feb. 15, 1899.)

2 Sheets-Sheat (No Model.)

No. 634,905. Patented Oct l7 I899 T. H. McCAULEY.

POLE STBAIGHTENER.

(Application filed Feb. 5, 1899) 2 Sheets-Sheet 2,

(No Model.)

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llnrrnn Srnrns ATENT OFFICE.

THOMAS HENRY MOOAULEY, OF PORT ARTHUR, CANADA.

POLE-STRING HTEN ER.

SPECIFICATION forming part of Letters Patent No. 634,905, dated October17, 1899.

Application filed February 15, 1899. Serial No. 705,591. (No model.)

To all whom it may concern:

Be it known that LTnoMAs HENRY MOCAU- LEY, electrician, of the town ofPort Arthur, in the district of Thunder Bay, in the Province of Ontario,Canada, have invented certain new and useful Improvements inPole-Straighteners, of which the following is a specification.

My invention relates to improvements in pole-straighteners; and theobject of the invention is to provide a portable machine whereby poles,such as telegraph-poles and the like, may be easily straightened; and itconsists in the novel arrangement and construction of parts, ashereinafter more particularly explained.

In the drawings like letters of reference in dicate corresponding partsin each figure.

Figure 1 is a perspective view of my machine. Fig. 2 is a sectionalelevation of same. Fig. 3 is a diminutive view showing the applicationof my machine. Fig. 4 is a detail longitudinal sectional view.

A is the frame of the machine.

B is a downwardly-extending tubular bar having a pointed end I).

The frame A is provided with the crosswebs a a a D is a cross-shaftsupported in the frame A and provided at each end with crank-arms d anda bevel pinion E, located within the frame A.

F is a vertical screw-spindle provided with a bearing-collar f, restingon the cross-web a, and also provided with a bevel-gear E at its lowerextremity and designed to mesh with the gear-pinion E on the cross-shaftD.

G is a nut or screw-sleeve screwed onto the screwspindle F. Secured tothe outer side of this nut is the tubular rod H, providedat its upperextremity with a crotch 7t and a spicular projection h.

J is a tubular rod screwed or otherwise secured into the cross-webs a ato serve as a guide for the inner tube H. The tube J is provided with avertical slot 3', through which the screw j extends. The screw j, beingsecured in the inner tube H, prevents, the inner tube turning with thescrew-spindle F when operated upon by the cranks d.

The lower tubular rod Bis provided with a plate I), having V-shaped endridge 12 Then it is desired to raise a pole to its normal position, mymachine is placed against the pole at its under side,the crotchpartially surrounding the pole and the point it preventing the machineslipping upward. When pressure is brought to bear, the lower pointed end6 prevents the machine slipping, or if the ground is soft the plate 5prevents it sinking therein. The crank-handles are now turned, operatingthrough the bevel-gear the screwspindle F, so as to raise the rodsecured thereto, such rod being held from a rotary movement by the screwj, held in the slot j. The operationis continued until the pole assumesthe proper position.

It will thus be seen that my machine is not only simple in construction,but is more easily brought into operation, thus eifecting a great savingof time, than the rope and tackles hitherto used.

What I claim as my invention is A device for erecting telegraph-polescomprising a lower rod, a frame surmounting the same and fixed thereto,a longitudinally-slidable rod guided in said frame, cranks eXtending oneach side of said frame with means operated thereby for sliding saidrod, and an arc-shaped end adapted to engage the pole carried bysaidshiftable rod, substantially as described.

THOMAS HENRY MCOAULEY.

Witnesses:

JAMES S. DOBIE. W. F. LANGWORTHY.

